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<!--
Copyright 2010 The Closure Library Authors. All Rights Reserved.

Use of this source code is governed by an Apache 2.0 License.
See the COPYING file for details.
-->
<head>
<title>Closure Unit Tests - goog.crypt.sha1</title>
<script src="../base.js"></script>
<script>
  goog.require('goog.crypt.Sha1');
  goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>

/**
 * Helper function to convert a byte array to a hex string
 */
function bytesToHex(bytes) {
  var hexchars = '0123456789abcdef';
  var hexrep = new Array(bytes.length * 2);

  for (var i = 0; i < bytes.length; ++i) {
    hexrep[i * 2] = hexchars.charAt((bytes[i] >> 4) & 15);
    hexrep[i * 2 + 1] = hexchars.charAt(bytes[i] & 15);
  }
  return hexrep.join('');
}

function testHashing() {
  // Test basic hashing.
  var byteArray = [0x61, 0x62, 0x63]
  var sha1 = new goog.crypt.Sha1();
  sha1.update(byteArray);

  assertEquals('a9993e364706816aba3e25717850c26c9cd0d89d',
               bytesToHex(sha1.digest()));
}

</script>
</body>
</html>
